A lack of fresh stimulus from the Bank of Japan sent the yen soaring and world stocks into the red on Thursday, half a day after the U.S. Federal Reserve signaled it too was hitting the policy pause button. The yen surged almost 3 percent against both the dollar and the euro in a sharp reaction to the BOJ inaction, putting it on course for its biggest jump against the greenback since February and in five years against the euro.
http://www.reuters.com/article/us-global-markets-idUSKCN0XO2XX
